Home / 57,886.26-86,829.18-18,446.54

Finding the Fourth Proportional to 57,886.26, 86,829.18 and 18,446.54

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Solution

The fourth proportional to 57,886.26, 86,829.18 and 18,446.54 is: 27,669.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,886.26 : 86,829.18 = 18,446.54 : x
  2. Step 2: Convert to fraction form
    57,886.26/86,829.18 = 18,446.54/x
  3. Step 3: Cross multiply
    57,886.26x = 86,829.18 × 18,446.54
  4. Step 4: Simplify right side
    57,886.26x = 1,601,697,942.04
  5. Step 5: Solve for x
    x = 1,601,697,942.04/57,886.26
  6. Step 6: Final answer
    x = 27,669.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.